US3150335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reverberation unit assembly
Assignee: Hammond Organ Co
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Filing: 1962-04-26
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Granted: 1964-09-22
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Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Wilford R Schreier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:52
CPC Classifications
G; G10; G10K; G10K15/00; G10K15/08; G10K15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
258 words
A REVERBERATION UNIT FOR DELAYING A SIGNAL BEING TRANSMITTED TO A SIGNAL OUTPUT CIRCUIT, THE IMPROVEMENT COMPRISING A PAIR OF TRANSMISSION LINES EACH INCLUDING COILED SPRINGS, AN ANCHOR DISC CARRIED AT EACH END OF EACH LINE AND ALONG THE AXIS OF THE RESPECTIVE LINE, A MAGNET FIXEDLY CARRIED ADJACENT OPPOSITE ENDS OF EACH LINE, A DAMPING ELEMENT CARRIED BETWEEN EACH MAGNET AND EACH ANCHOR DISC AND AXIALLY MOVABLE RELATIVE TO THE RESPECTIVE LINE, A COIL AND POLE PIECE ASSEMBLY FOR THE MAGNETS AT RESPECTIVE ENDS OF EACH TRANSMISSION LINE, A PAIR OF CASES EACH HAVING A RECESS IN ONE FACE THEREOF FOR RECEIVING A RESPECTIVE COIL AND POLE PIECE ASSEMBLY, WALL SECTIONS IN SAID RECESSES DEFINING LIMIT POSITIONS FOR SAID POLE PIECES, A PAIR OF LONGITUDINAL PASSAGEWAYS IN EACH CASE POSITIONED BETWEEN A RESPECTIVE SIDE OF SAID RECESS AND A RESPECTIVE SIDE OF SAID CASE AND ADAPTED TO HAVE AN ANCHOR DISC ON EITHER LINE PASSED THERETHROUGH ONLY IF SAID DISC IS ALIGNED IN A PARTICULAR PLANE, MEANS AT THE END OF EACH PASSAGEWAY FOR HOLDING SAID ANCHOR DISCS OUT OF SAID PLANE TO PREVENT THEIR RETURN THROUGH SAID PASSAGEWAYS WHEREBY THE DISTANCE BETWEEN SAID MEANS ON THE RESPECTIVE CASES DETERMINES THE STRETCHED LENGTH OF SAID SPRINGS AND THE POSITION OF SAID MAGNETS, A SPRING CLIP ELEMENT ADAPTED TO BE INSERTED IN SAID RECESS AND ARRANGED TO SECURELY POSITION SAID POLE PIECES AGAINST SAID LIMIT WALLS AND IN ALIGNMENT WITH THE RESPECTIVE MAGNETS FOR FORMING A FLUX FIELD THEREFOR WHILE MOVING SAID DAMPING ELEMENTS TO A PREDETERMINED POSITION.
Claim 2
Dependent Claim
258 words
A REVERBERATION UNIT FOR DELAYING A SIGNAL BEING TRANSMITTED TO A SIGNAL OUTPUT CIRCUIT, THE IMPROVEMENT COMPRISING A PAIR OF TRANSMISSION LINES EACH INCLUDING COILED SPRINGS, AN ANCHOR DISC CARRIED AT EACH END OF EACH LINE AND ALONG THE AXIS OF THE RESPECTIVE LINE, A MAGNET FIXEDLY CARRIED ADJACENT OPPOSITE ENDS OF EACH LINE, A DAMPING ELEMENT CARRIED BETWEEN EACH MAGNET AND EACH ANCHOR DISC AND AXIALLY MOVABLE RELATIVE TO THE RESPECTIVE LINE, A COIL AND POLE PIECE ASSEMBLY FOR THE MAGNETS AT RESPECTIVE ENDS OF EACH TRANSMISSION LINE, A PAIR OF CASES EACH HAVING A RECESS IN ONE FACE THEREOF FOR RECEIVING A RESPECTIVE COIL AND POLE PIECE ASSEMBLY, WALL SECTIONS IN SAID RECESSES DEFINING LIMIT POSITIONS FOR SAID POLE PIECES, A PAIR OF LONGITUDINAL PASSAGEWAYS IN EACH CASE POSITIONED BETWEEN A RESPECTIVE SIDE OF SAID RECESS AND A RESPECTIVE SIDE OF SAID CASE AND ADAPTED TO HAVE AN ANCHOR DISC ON EITHER LINE PASSED THERETHROUGH ONLY IF SAID DISC IS ALIGNED IN A PARTICULAR PLANE, MEANS AT THE END OF EACH PASSAGEWAY FOR HOLDING SAID ANCHOR DISCS OUT OF SAID PLANE TO PREVENT THEIR RETURN THROUGH SAID PASSAGEWAYS WHEREBY THE DISTANCE BETWEEN SAID MEANS ON THE RESPECTIVE CASES DETERMINES THE STRETCHED LENGTH OF SAID SPRINGS AND THE POSITION OF SAID MAGNETS, A SPRING CLIP ELEMENT ADAPTED TO BE INSERTED IN SAID RECESS AND ARRANGED TO SECURELY POSITION SAID POLE PIECES AGAINST SAID LIMIT WALLS AND IN ALIGNMENT WITH THE RESPECTIVE MAGNETS FOR FORMING A FLUX FIELD THEREFOR WHILE MOVING SAID DAMPING ELEMENTS TO A PREDETERMINED POSITION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |